JUMBO STEELS LIMITED

What JUMBO STEELS LIMITED does

JUMBO STEELS LIMITED (legal name Jumbo Steel Mills Limited, DBA Jumbo Steel / Jumbosteel TMT) is a Kenyan steel manufacturer operating as the industrial arm of the privately-held Jumbo Group of Companies. The company manufactures thermo-mechanically treated (TMT) deformed bars, round and square bars, wire products (barbed wire, BRC rolls, chain link, galvanised wire, nails, wire rods), and structural steel items (angles, channels, I-beams, plates, mesh, hollow sections, cold-formed sections). It also produces UPVC, PP-R, and HDPE plastic pipe systems, and distributes complementary hardware such as valves, welding machines, fasteners, plywood, and engineering tools.

Core manufacturing is concentrated at a single integrated mill at Rabai Power Station, Kilifi County (Mombasa), which uses rolling mill technology, in-line heat treatment for wire rods, and stage-by-stage quality testing protocols. The TMT process produces bars with a pearlitic core and tempered martensite surface, marketed for corrosion resistance, earthquake resistance, and weldability. The plastic and hardware divisions appear to draw on the same Kenyan distribution footprint rather than co-located extrusion lines.

The business model is B2B-direct: enterprise field sales teams in Mombasa, Nairobi, and Kisumu serve construction companies, contractors, and industrial clients, supplemented by phone-based inside sales, a 'Get a Quote' web form, and a 17-product e-commerce shop. Pricing is quote-based and not publicly disclosed. Customers span residential, commercial, and industrial segments, with stated use cases including malls, railway platforms, warehouses, bridges, dams, and power plants. Steel manufacturing began on August 15, 2018, building on the Jumbo Group's hardware trading operations that started in October 1990. The company also exports to international markets; no funding rounds, revenue figures, or headcount data are disclosed.

Name

JUMBO STEELS LIMITED

Legal name

Jumbo Steel Mills Limited

Website

https://jumbosteel.co.ke

Company type

Private

Founded year

2018

Operating status

Operating

Short description

Jumbo Steels Limited manufactures TMT bars, wire products, structural steel, plastic pipes, and hardware in Kenya under the Jumbo Group, serving construction, industrial, and residential customers through direct field sales across Mombasa, Nairobi, and Kisumu.

Ownership category

akta.pro rank

Product category

Steel Manufacturing

NAICS

Rolling and Drawing of Purchased Steel (33122), Iron and Steel Pipe and Tube Manufacturing from Purchased Steel (331210), Rolled Steel Shape Manufacturing (331221), Bolt, Nut, Screw, Rivet, and Washer Manufacturing (332722)

SIC

Steel Works, Blast Furnaces & Rolling & Finishing Mills (3310), Bolts, Nuts, Screws, Rivets & Washers (3452), Cutlery, Handtools & General Hardware (3420)

akta.pro primary industry

Long Products Manufacturing (Rebar, Wire Rod, Merchant Bar, Sections/Beams) (IMAKABAH)

akta.pro secondary industries

Pipe & Tube Manufacturing (Seamless & Welded OCTG/Line Pipe/Structural Tube) (IMAKABAI), Coated & Plated Steel (Galvanized, Galvalume, Tinplate, Electrogalvanized, Color-Coated) (IMAKABAG), Steel Joists, Joist Girders & Decking (IMADACAC)

Keywords

• Steel manufacturing
• TMT bars
• Structural steel products
• Construction materials
• Wire products

Headquarters

HQ city

Mombasa

HQ country

Kenya

HQ region

Africa

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Operations, Supply Chain, Personnel, Infrastructure, Technology or R&D

Revenue model

1. Steel Products Sales: Manufacturing and selling steel products including TMT bars, structural steel, wire products, and related construction materials through direct sales channels.
2. Plastic Pipes Sales: Manufacturing and selling plastic pipes including UPVC, PP-R, and HDPE pipes for water systems, drainage, and industrial applications.
3. Hardware Supplies: Supplying hardware products including valves, wire mesh, welding machines, sanitary fittings, plywood, plumbing tools, locks, ironmongery, fasteners, engineering tools, and abrasives.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

Jumbo Steels Limited manufactures and sells steel products including TMT deformed bars, round and square bars, wire products (barbed wire, BRC rolls, chain link, galvanised wire, nails, wire rods), and structural steel products (angles, channels, beams, plates, weldmesh). The company also manufactures plastic pipes (UPVC, PP-R, HDPE) for water and drainage systems, and distributes complementary hardware supplies including valves, welding machines, sanitary fittings, plywood, fasteners, and engineering tools.

Product overview

JUMBO STEELS LIMITED is a steel manufacturing company operating as part of the Jumbo Group of Companies in Kenya. The company operates a diversified manufacturing portfolio organized into three main product categories: TMT Bars (including deformed bars, round bars, and square bars), Wire Products (barbed wire, BRC rolls, chain link, galvanised wire, nails, and wire rods), and Structural Steel Products (angles, channels, beams, plates, and mesh). Additionally, the company manufactures steel products including purlins, street light poles, hollow sections, pipes, and cold-formed sections. Under its plastic division, it produces UPVC water systems, pressure pipes, sewer pipes, waste fittings, PP-R pipes and fittings, and HDPE pipes. The hardware division supplies complementary products including valves, welding machines, wire mesh, sanitary fittings, plywood, plumbing tools, MDF boards, locks, ironmongery, fasteners, engineering tools, and abrasives. The company launched operations on August 15th, 2018, and is considered one of the newest steel manufacturing companies in Kenya, having grown from the trading division of the privately-owned Jumbo Group of Companies whose business operations began in October 1990.

Differentiator

Problem solved

Functional benefit

Products and services

• Jumbo TMT Deformed Bars Thermo-mechanically treated deformed steel bars with pearlitic core and tempered martensite surface, providing corrosion resistance, earthquake resistance, and excellent weldability for high-rise buildings, bridges, dams, and power plants.
• Round Bars Steel round bars available in sizes from 6mm to 25mm for construction and industrial applications.
• Square Bars Steel square bars available in sizes 8, 10, and 12 for construction and manufacturing applications.
• Jumbo Barbed Wire Barbed wire for security fencing, available in multiple gauge and spacing configurations.
• Jumbo BRC Roll Bar Reinforcement Concrete rolls (48 meter) and welded mesh sheets for concrete reinforcement, corrosion-resistant with high tensile strength.
• Jumbo Chain Link Hot-dipped galvanised chain link fencing available in 4FT to 8FT heights for domestic and commercial applications.
• Galvanised Wire AS4534 compliant galvanised wire available in standard and heavy galvanised types with soft, medium, and high tensile strengths for construction mesh, fence mesh, and gabion applications.
• Jumbo Nails Construction and masonry nails including roofing/clout nails, smooth shank, ring shank, screw shank variants, plus ceiling nails, panel pins, and binding wires.
• Jumbo Wire Rods Semi-finished wire rods in round, rectangular, or cross section coil form (5.5mm to 10mm) for wire manufacture with consistent quality and uniform surface textures.
• Zed Angle Premium export quality Z-shaped steel angles for construction projects including railway stations, warehouses, and factories.
• MS Angles Mild steel angles available in various sizes (25mm to 100mm) and thicknesses, bendable for versatile construction applications.
• Flat Bars Steel flat bars in multiple dimensions (20mm to 100mm width, 3mm to 6mm thickness) in 6-meter lengths.
• U-Channels U-shaped steel channels for structural applications, available in sizes 80X45 and 100X50.
• I-Beams Structural I-beams in various sizes (152mm to 533mm depth) for construction and infrastructure projects.
• Galvanised Plates Galvanised steel plates in various gauges (14g to 20g) for corrosion-resistant applications.
• Chequered Plates Chequered pattern steel plates (1.6mm to 6.0mm thickness) for anti-slip flooring applications.
• Weldmesh Welded wire mesh for construction, reinforcement, and industrial applications.
• UPVC Pressure Pipes Maintenance-free UPVC pressure pipes with durability, non-rusting, and corrosion repellent features for plumbing solutions.
• PP-R Pipes & Fittings Polypropylene random copolymer pipes and fittings that are non-corrosive, leakage-proof, non-decaying, non-deforming with high chemical resistance.
• HDPE Pipes & Ducting High-density polyethylene pipes for commercial, residential, and industrial water supply, drip irrigation, sprinkler systems, and liquid transport.
• Industrial Valves High-performance industrial valves for air, chemicals, fuels, pulp, steam, and thermic fluid applications.
• Welding Machines Welding and cutting machines including fully thyristor-based, inverter-based, TIG torches, MIG torches, and welding fixtures.

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators4 records

Recent moves9 records

Expansion highlights5 records

Broad incumbents

• Commercial Metals Company (CMC): Global steel and metals manufacturer with significant long-products, rebar, and structural mesh operations. Comparable as a broad incumbent whose vertically integrated mill-to-finished-product approach mirrors Jumbo's rolling-mill-plus-downstream strategy.
• ArcelorMittal: World's largest steelmaker with diversified product portfolio including long products, structural sections, and tubes. Comparable as a broad incumbent whose global long-products offering sets the benchmark Jumbo's TMT and structural quality must meet.
• Steel Authority of India Limited (SAIL): Large Indian state-owned integrated steel producer with broad product portfolio including long products, structural, and pipe/tube. Comparable as a global incumbent whose TMT and long-product offering competes with Jumbo in international and emerging-market segments.
• Nucor Corporation: Largest North American steel producer and a global benchmark for efficient, modern mini-mill-based steel manufacturing. Comparable as a broad incumbent demonstrating how modern rolling-mill technology can scale a long-products steel business competitively.
• Tata Steel Limited: Global integrated steel producer with significant long-products and structural-steel portfolio, including presence in African markets. Comparable as a broad incumbent offering overlapping steel categories Jumbo operates in.

Regional players

• Amsons Group: Tanzanian conglomerate with steel manufacturing operations producing rebar and structural products for the East African market. Comparable as a regional East African steel manufacturer competing for cross-border construction demand.

Direct peers

• Mabati Rolling Mills (Safal Group): Major Kenyan steel roofing and structural products manufacturer under the Safal Group. Comparable as a domestic Kenyan steel product maker serving construction end-markets with branded, quality-positioned product lines.
• Apex Steel Limited: Kenyan manufacturer of steel products including TMT bars, wire products, and structural sections. Directly comparable as a domestic competitor operating in similar product categories within the East African market.
• Devki Steel Mills Limited: Kenya's largest steel manufacturer producing TMT bars, angles, channels, and structural sections. Directly comparable as a domestic Kenyan integrated steel producer competing for the same construction-sector customers as Jumbo Steel.
• Tononoka Steel Limited: Long-established Kenyan steel manufacturer producing TMT bars and structural steel products. Directly comparable given shared Kenyan market, overlapping TMT/structural product lines, and similar construction-customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks1 record

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/watch?v=rZTIsqp68_Y&feature=youtu.be
• LinkedInlinkedin.com/company/jumbo-steel-mills-limited

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about JUMBO STEELS LIMITED